CVE-2026-116463
FastStone Image Viewer Box-Average Downsampler FUN_0062d96c out-of-bounds
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
FastStone Image Viewer, an image viewing application, is affected by a flaw in its Box-Average Downsampler image-resizing component. Manipulated input can cause the software to read memory outside its intended bounds, and an attacker may be able to trigger this remotely.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A vulnerability was identified in FastStone Image Viewer up to 8.5. Affected is the function FUN_0062d96c of the component Box-Average Downsampler Engine. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- FastStone Image Viewer
8.0, 8.1, 8.2, 8.3, 8.4, 8.5